1"AIR IMPACT WRENCH TWIN HAMMER TYPE STD.BOLT CAP.:1-3/4"(45MM); SQ.DRIVE:1"; WORKING TORQUE:500~2000ft-lb(678~2711 Nm) MAX.TORQUE:2200ft-lb(2983 Nm) FREE SPEED:6000 RPM; AIR INLET:1/2"; AIR CONS.:13.4cfm MIN.HOSE SIZE:3/4"(19MM); AIR PRESSURE:90 PSI(6.2 BAR) LENGTH:555MM;WEIGHT:9.48KGS **2" ANVIL AVAILABLE TOO **TWO STEPS TRIGGER PATENTED FOR EASY OPERATION **OPTIONAL INTERNAL & EXTERNAL TRIGGER **OPTIONAL 60 DEGREE TYPE & STRAIGHT TYPE INLET **4 STEPS ADJUSTABLE TORQUE **SEPARATE R/F SWITH